Found 33,828 Documents (Results 301–400)
Bayesian contiguity constrained clustering. Spanning trees and dendrograms. (English) Zbl 1536.62004
On the \(f\)-divergences between densities of a multivariate location or scale family. (English) Zbl 1536.62020
A robust model-based clustering based on the geometric median and the median covariation matrix. (English) Zbl 1536.62009
A DEIM Tucker tensor cross algorithm and its application to dynamical low-rank approximation. (English) Zbl 1539.65058
Some ways of parallel implementation of the conjugate gradient method with an implicit factorized preconditioner. (Russian. English summary) Zbl 1537.65028
Zhang neural networks: an introduction to predictive computations for discretized time-varying matrix problems. (English) Zbl 1537.68177
Integrability of \(\Phi^4\) matrix model as \(N\)-body harmonic oscillator system. (English) Zbl 07837885
pISTA: preconditioned iterative soft thresholding algorithm for graphical LASSO. (English) Zbl 07837060
Krylov subspace residual and restarting for certain second order differential equations. (English) Zbl 1537.65047
Stage-parallel fully implicit Runge-Kutta implementations with optimal multilevel preconditioners at the scaling limit. (English) Zbl 1537.65088
Solving linear systems of the form \((A+\gamma UU^T)\,x=b\) by preconditioned iterative methods. (English) Zbl 07837043
Reviewer: Ninoslav Truhar (Osijek)
Discrete, continuous and asymptotic for a modified singularly Gaussian unitary ensemble and the smallest eigenvalue of its large Hankel matrices. (English) Zbl 1539.15042
Reviewer: Arakaparampil M. Mathai (Montréal)
Constructing low-rank Tucker tensor approximations using generalized completion. (English) Zbl 1537.65045
A fast Monte Carlo algorithm for evaluating matrix functions with application in complex networks. (English) Zbl 1537.65048
Generalized modulus-based matrix splitting algorithm with Anderson acceleration strategy for vertical linear complementarity problems. (English) Zbl 1536.65067
A modified Newton-based matrix splitting iteration method for generalized absolute value equations. (English) Zbl 1536.65037
An accelerated structured quasi-Newton method with a diagonal second-order Hessian approximation for nonlinear least squares problems. (English) Zbl 07834846
Conjugate gradient-type method for the tensor linear system via the T-product and its application in the calculation of Moore-Penrose inverse. (English) Zbl 07834537
A compression scheme for domain decomposition method in solving electromagnetic problems. (English) Zbl 07833826
The QISG suite: high-performance codes for studying quantum Ising spin glasses. (English) Zbl 1536.82001
An iterative method for updating finite element models with connectivity constraints. (English) Zbl 1540.74153
A matrix solver approach for fracture flow simulation by analytic element method. (English) Zbl 1540.76203
Highly accurate calculation of higher energy eigenvalues for the radial Schrödinger eigenproblems. (English) Zbl 1540.65253
Time-space fractional Euler-Poisson-Darboux equation with Bessel fractional derivative in infinite and finite domains. (English) Zbl 1540.35431
An efficient framework for matrix-free SpMV computation on GPU for elastoplastic problems. (English) Zbl 1540.74138
Advanced numerical scheme and its convergence analysis for a class of two-point singular boundary value problems. (English) Zbl 1540.65259
A low-rank and sparse enhanced Tucker decomposition approach for tensor completion. (English) Zbl 07832790
A modified iterative method for solving the non-symmetric coupled algebraic Riccati equation. (English) Zbl 1536.65043
Several efficient iterative algorithms for solving nonlinear tensor equation \(\mathcal{X} + \mathcal{A}^T \ast_N \mathcal{X}^{-1} \ast_N \mathcal{A} = \mathcal{I}\) with Einstein product. (English) Zbl 07831000
Structured matrix recovery from matrix-vector products. (English) Zbl 07830556
Reviewer: Jana Žáková (Liberec)
Rank-structured approximation of some Cauchy matrices with sublinear complexity. (English) Zbl 07830551
MSC:
65F55
A new block triangular preconditioner for three-by-three block saddle-point problem. (English) Zbl 07830499
The constant solution method for solving large-scale differential Sylvester matrix equations with time invariant coefficients. (English) Zbl 1536.65042
Modified Newton-PBS method for solving a class of complex symmetric nonlinear systems. (English) Zbl 1536.65036
The forward rounding error analysis of the partial pivoting quaternion LU decomposition. (English) Zbl 1536.65032
Conditioning and spectral properties of isogeometric collocation matrices for acoustic wave problems. (English) Zbl 1536.65122
A robust, discrete-gradient descent procedure for optimisation with time-dependent PDE and norm constraints. (English) Zbl 1536.65119
Reviewer: Denys Dutykh (Le Bourget-du-Lac)
The fast reduced QMC matrix-vector product. (English) Zbl 1537.65019
Reviewer: Manfred Tasche (Rostock)
QFT with tensorial and local degrees of freedom: phase structure from functional renormalization. (English) Zbl 1535.81210
CUR and generalized CUR decompositions of quaternion matrices and their applications. (English) Zbl 1535.65054
Norms of structured random matrices. (English) Zbl 1540.60010
Reviewer: Francisco Marcellán (Leganes)
Some properties on eccentricity matrices of uniform hypertrees. (English) Zbl 07826721
Reviewer: Fenglei Tian (Rizhao)
On the distance to low-rank matrices in the maximum norm. (English) Zbl 1537.15014
Reviewer: Minghua Lin (Xi’an)
Matrix valued discrete-continuous functions with the prolate spheroidal property and bispectrality. (English) Zbl 1539.33017
Reviewer: Faitori Omer Salem (Tripoli)
Collocation method with Lagrange polynomials for variable-order time-fractional advection-diffusion problems. (English) Zbl 1536.65117
A low-rank solver for parameter estimation and uncertainty quantification in time-dependent systems of partial differential equations. (English) Zbl 1535.65167
Dimension-free bounds for sums of dependent matrices and operators with heavy-tailed distributions. (English) Zbl 07823235
Accelerating exponential integrators to efficiently solve semilinear advection-diffusion-reaction equations. (English) Zbl 1535.65128
Reviewer: Kanakadurga Sivakumar (Chennai)
A space-time adaptive low-rank method for high-dimensional parabolic partial differential equations. (English) Zbl 1535.65247
A discontinuous Galerkin approach for Atmospheric flows with implicit condensation. (English) Zbl 07819060
Flexural wave propagation characteristics of metabeam with simultaneous acoustic black hole and local resonator. (English) Zbl 1535.74406
Fast SVD-based linear elastic eigenvalue problem solver for band structures of 3D phononic crystals. (English) Zbl 1534.65230
An efficient block rational Krylov solver for Sylvester equations with adaptive pole selection. (English) Zbl 1534.65063
Supercloseness of the NIPG method for a singularly perturbed convection diffusion problem on Shishkin mesh. (English) Zbl 1534.65255
The steady state of the boundary-driven multiparticle asymmetric diffusion model. (English) Zbl 1534.82004
Finite element methods: parallel-sparse statics and eigen-solutions. 2nd edition. (English) Zbl 07813644
Cham: Springer (ISBN 978-3-031-48787-3/hbk; 978-3-031-48790-3/pbk; 978-3-031-48788-0/ebook). xix, 808 p. (2024).
Multidimensional sliding window Pringsheim convergence for measurable functions. (English) Zbl 07812643
Lagrangian multiforms on coadjoint orbits for finite-dimensional integrable systems. (English) Zbl 07812616
Sixth-order hybrid finite difference methods for elliptic interface problems with mixed boundary conditions. (English) Zbl 07811322
A perfectly matched layer for the absorption of electromagnetic waves using differential forms in three-dimensional domains. (English) Zbl 07811317
On a family of low-rank algorithms for large-scale algebraic Riccati equations. (English) Zbl 07810690
MSC:
65F45
Distribution of recursive matrix pseudorandom number generator modulo prime powers. (English) Zbl 07810336
Reviewer: Anton Shutov (Vladimir)
Adaptive symplectic model order reduction of parametric particle-based Vlasov-Poisson equation. (English) Zbl 1534.65181
On convergence of the matrix splitting iteration paradigm for solving systems of linear equations. (English) Zbl 1533.65047
MSC:
65F10
Randomized low rank approximation for nonnegative pure quaternion matrices. (English) Zbl 1534.65065
Reviewer: Steven B. Damelin (Ann Arbor)
Separated monic correspondence of cotorsion pairs and semi-Gorenstein-projective modules. (English) Zbl 07808735
Reviewer: Intan Muchtadi-Alamsyah (Bandung)
A binomial expansion formula for weighted geometric means of unipotent matrices. (English) Zbl 07808524
The partial-rogue ripple solutions of nonlocal Kadomtsev-Petviashvili equation. (English) Zbl 1533.35295
On computing modified moments for half-range Hermite weights. (English) Zbl 1534.65045
Reviewer: Steven B. Damelin (Ann Arbor)
Novel numerical approach for time fractional equations with nonlocal condition. (English) Zbl 1534.65146
Incomplete double-cone factorizations of centrosymmetric matrices arising in spectral methods. (English) Zbl 1534.65051
Reviewer: Steven B. Damelin (Ann Arbor)
New structure-preserving algorithms of Gauss-Seidel and successive over-relaxation iteration methods for quaternion linear systems. (English) Zbl 1533.65048
Banded \(M\)-matrix splitting preconditioner for Riesz space fractional reaction-dispersion equation. (English) Zbl 07806677
\(R\)-matrix for the 8-dimensional spin representation of \(U_q (\mathfrak{so}_7)\). (English) Zbl 07806020
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